An inbound connection can be a link from just one web page to another website. If your company's site involved a website link to an post on the HubSpot blog, HubSpot can be receiving an inbound connection from the internet site.
In HubSpot, an inbound link is often a connection into a page on your web site from One more website that has created at least 1 visit. It is possible to see how inbound inbound links are producing visitors to your web site web pages from the sources report. Traffic to your site from inbound backlinks will probably be reflected inside the Referrals bucket of your sources report (